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Diagnostic imaging

Diagnostic imaging

Iron oxide nanoparticles boost the contrast in low-field MRI scanners

07 Sep 2023
NIST researcher Sam Oberdick
Exploring MRI contrasts NIST researcher Samuel Oberdick and colleagues tested iron oxide nanoparticles at low-strength magnetic fields. Nanoparticles inside a liquid solution (pictured here) are pulled toward the magnet through a combination of magnetic interactions and surface tension. (Courtesy: R Wilson/NIST)
Portable, low-field (1–100 mT) MRI systems that can safely perform scans outside a dedicated MRI s

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Cynthia E Keen is a freelance journalist specializing in medicine and healthcare-related innovations
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